Home / 69,812.47-96,340.77-37,981.51

Finding the Fourth Proportional to 69,812.47, 96,340.77 and 37,981.51

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Solution

The fourth proportional to 69,812.47, 96,340.77 and 37,981.51 is: 52,414.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,812.47 : 96,340.77 = 37,981.51 : x
  2. Step 2: Convert to fraction form
    69,812.47/96,340.77 = 37,981.51/x
  3. Step 3: Cross multiply
    69,812.47x = 96,340.77 × 37,981.51
  4. Step 4: Simplify right side
    69,812.47x = 3,659,167,919.16
  5. Step 5: Solve for x
    x = 3,659,167,919.16/69,812.47
  6. Step 6: Final answer
    x = 52,414.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.